VULNERABILITY INTELLIGENCE

CVE-2025-40216

CVSS score7.8 HIGH
EPSS probability0.14%
CISA KEVNot currently listed
Published2025-12-04
Last modified2026-10-19
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: don't rely on user vaddr alignment There is no guaranteed alignment for user pointers, however the calculation of an offset of the first page into a folio after coalescing uses some weird bit mask logic, get rid of it.

Primary references